Answer:
the fourth answer
Step-by-step explanation:
1) 65+57= 122
180-122= 58
2) 40+90=130
180-130=50
3) 130+20=150
180-150=30
4) 85+50= 135
180-135=45
Sorry, IDK the rest. So so sorry.
The 99.87th percentile, or the area to the left of the 3 standard deviation mark it 99.87% better than everyone/everything else.
Answer:
Twenty five
Step-by-step explanation: